Update criterion requirement from 0.6 to 0.7 (#236)

Updates the requirements on [criterion](https://github.com/bheisler/criterion.rs) to permit the latest version.
- [Changelog](https://github.com/bheisler/criterion.rs/blob/master/CHANGELOG.md)
- [Commits](bheisler/criterion.rs@0.6.0...0.7.0)

---
updated-dependencies:
- dependency-name: criterion
  dependency-version: 0.7.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.toml

@@ -44,7 +44,7 @@ windows-sys = { version = "0.60.0", features = ["Win32_Foundation"] }
 async-channel = "2.0.0"
 async-net = "2.0.0"
 blocking = "1"
-criterion = { version = "0.6", default-features = false, features = ["cargo_bench_support"] }
+criterion = { version = "0.7", default-features = false, features = ["cargo_bench_support"] }
 getrandom = "0.3"
 signal-hook = "0.3"
 tempfile = "3"